A solar-powered airplane finished crossing the United States on Saturday, landing in New York City after flying over the Statue of Liberty during its historic bid to circle the globe, the project team said. The spindly, single-seat experimental aircraft, dubbed Solar Impulse 2, arrived at New York's John F. Kennedy International Airport at about 4 a.m. local time after it took off about five hours beforehand at Lehigh Valley International Airport in Pennsylvania, the team reported on the airplane's website. Such a pleasure to land in New York! For the 14th time we celebrate sustainability," said the project's co-founder Andre Borschberg on Twitter after flying over the city and the Statue of Liberty during the 14th leg of the trip around the globe. The Swiss team flying the aircraft in a campaign to build support for clean energy technologies hopes eventually to complete its circumnavigation in Abu Dhabi, where the journey began in March 2015. The solar cr...
A team of scientists from the Swiss Federal Laboratories for Materials Science and Technology (Empa) recently came up with the world's first air-conditioned bulletproof jacket based on a special technology called Coolpad that helps police stay cool in hot days.
It is worth mentioning that the Coolpad technology elaborated by Empa was initially developed for cooling clothes for different medical applications. Researchers say that the built-in Coolpads
Besides, the bulletproof jacket has a tiny fan that easily fits into the garment and blows air inside the vest to offer more cooling. To be able to incorporate the fan, researchers at Empa teamed up with Eschler, a textile company from Switzerland, to develop a special fabric spacer that is both stable and flexible.
In order to quickly refill the cool pads with water, scientists created a portable filling station the wearer can easily attach to the jacket using a quick-release fastener. Fully-charged batteries allow the vest to work in hot conditions for 3 to 4 hours. Empa mentioned that the first bulletproof vests will be manufactured by project partner Unico Swiss Tex GmbH.
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